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Finding the Third Proportional to 199,640 and 437,560

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Solution

The third proportional to 199,640 and 437,560 is: 959,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,640 : 437,560 = 437,560 : x
  2. Step 2: Convert to fraction form
    199,640/437,560 = 437,560/x
  3. Step 3: Cross multiply
    199,640x = 437,560 × 437,560
  4. Step 4: Simplify right side
    199,640x = 191,458,753,600
  5. Step 5: Solve for x
    x = 191,458,753,600/199,640
  6. Step 6: Final answer
    x = 959,020.00

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.